* {
    margin: 0;
    padding: 0;
}
.w {
    width: 1200px;
    margin: auto;
}
.header {
    height: 42px;
    margin: 30px auto;
    /* background-color: pink; */
}
body {
    background-color: #f3f5f7;
   
}
.clearfix:before,.clearfix:after {
    content:"";
    display: table;
}
.clearfix:after {
    clear: both;
}
.clearfix {
    *zoom:1;
}
li {
    list-style: none;
}
a {
    text-decoration: none;
}
.logo {
    float: left;
    height: 42px;
    width: 198px;
    /* background-color: purple; */
}
.nav {
    float: left; 
    margin-left: 60px;
    height: 42px;
}
.nav ul li {
    float: left; 
    margin: 0 15px;
}
.nav ul li a {
    display: block;
    padding: 0 10px;
    color: #050505;
    font-size: 18px;
    height: 42px;
    line-height: 42px;
}
.nav ul li a:hover {

    border-bottom: 2px solid #00a4ff;
}
.search {
    float: left;
    height: 40px;
    width: 412px;
    margin-left: 70px;
    background-color: #00a4ffff;

}

.search input {
    float: left;
    height: 40px;
    width: 345px;
    border: 1px solid #00a4ff;
    border-right: 0;
    border-color: skyblue;
    font-size: 14px;
    color: #bfbfbf;
    padding-left: 15px;
    outline: none;
}
.search button {
    float: left;
    width: 50px;
    height: 42px;
    background-image: url(study/images/btn.png);
    border: 0;
}
.user {
    float: right;
    line-height: 42px;
    font-size: 14px;
    margin-right: 30px;
    color: #666666;
}
/* banner区域 */
.banner {
    height: 421px;
    background-color: #1c036c ;
}
.banner .w {
    height: 421px;
    background-color: pink;
    background-image: url(images/banner2.png)  ;
    background-repeat: no-repeat;
    background-position: top center;
    /* background: url(images/banner2.png) no-repeat top center; */
}
.subnav {
    float: left;
    height: 421px;
    width: 190px;
    background-color: rgba(0, 0, 0, 0.3);
}
.subnav ul li {
    line-height: 45px;
    height: 45px;
}
.subnav ul li a {
    padding: 0 20px;
    font-size: 14px;
    color: #fff;
    
}
.subnav ul li a span {
    float: right;
    padding-right: 20px;
}
.subnav ul li a:hover {
    color: #00a4ff;
}
.kebiao {
    float: right;
    margin: 50px 0;
    width: 230px;
    height: 300px;
    background-color: #fff;
}
.kebiao .kbt {
    color: #fff;
    font-size: 18px;
    font-weight: 700;
}
.kebiao div h2 {
    height: 48px;
    text-align: center;
    line-height: 48px;
    background-color: #9bceea;
}
.kebiao ul li {
    padding: 14px 0;
    margin: 0 20px;
    color: #fff;
    border-bottom: 1px solid #eaeaea;
}
.kebiao ul li h4 {
    font-size: 16px;
    color: #4e4e4e;
}
.kebiao ul li p {
    font-size: 12px;
    color: #a5a5a5;
}
.kebiao .more {
    display: block;
    font-size: 16px;
    height: 38px;
    line-height: 38px;
    text-align: center;
    font-weight: 700;
    border: 1px solid #00a4ff;
    color: #00a4ff;
    margin: 5px 10px;
}
.goods {
    height: 60px;
    line-height: 60px;
    margin-top: 10px;
    background-color: #fff;
    box-shadow: 0 2px 3px 3px rgba(0, 0, 0, 0.1);
}
.goods h3 {
    float: left;
    margin-left: 35px;
    font-size: 14px;
    color: #00a4ff;
}
.goods ul {
    float: left;
    margin-left: 34px;
}
.goods ul li {
    float: left;


}
.goods ul li a {
    padding: 0 30px;
    font-size: 16px;
    color: #454545;
    border-left: 1px solid #bfbfbf;
}
.goods h4 {
    float: right;
    margin-right: 35px;
    font-size: 14px;
    color: #00a4ff;
}
.box {
    margin-top: 30px;

}
.box .box-hd {
    
    height: 45px;
    /* background-color: pink; */
}
.box .box-hd h3 {
    float: left;
    font-size: 20px;
    color: #494949;
    font-weight: normal;
}
.box .box-hd a {
    display: block;
    float: right;
    font-size: 12px;
    color: #a5a5a5;
    margin-top: 10px;
    margin-right: 30px;
}
.box .box-bd ul {
    width: 1225px;
}
.box-bd ul li {
    /* 子绝父相 */
    position: relative;
    float: left;
    width: 228px;
    height: 270px;
    background-color: #fff;
    margin-right: 15px;
    margin-bottom: 14px;

}
.box-bd ul li em img {
    position: absolute;
    top: 4px;
    right: -4px;
}
.box-bd ul li>img {
    width: 100%;
}
.box-bd ul li h4 {
    margin: 25px 20px 15px 25px;
    font-size: 14px;
    font-weight: 400;
    flood-color: #050505;
}
.box-bd ul li div {
    margin: 0 20px 0 25px;
    font-size: 12px;
    color: #999;
}
.box-bd ul li div span {
    color: #ff7c2d;
}
.footer {
    height: 415px;
    background-color: #fff;
}
.footer .w {
    padding-top: 33px;
}
.footer .w .copyright img {
    padding-bottom:20px;
}
.footer .w p {
    font-size: 14px;
    color: #666666;
}
.footer .copyright {
    float: left;
    padding-left: 20px;
}
.footer .links {
    float: right;
}
.footer .w .copyright a {
    display: block;
    width: 118px;
    height: 34px;
    margin-top: 15px;
    line-height: 34px;
    font-size: 16px;
    color: #00a4ff;
    text-align: center;
    border: 1px solid #00a4ff;
}
.links dl {
    float: left;
    margin-left: 100px;
}
.links dl dt {
    color: #333333;
    font-size: 16px;
}
.links dl dd a {
    color: #333333;
    font-size: 12px;
}